The following classes and methods have been terminally deprecated and should be removed from a JDK feature release:

@Deprecated(since="9", forRemoval=true) class java.lang.Compiler

@Deprecated(since="9", forRemoval=true) void java.lang.Runtime.traceInstructions(boolean)
@Deprecated(since="9", forRemoval=true) void java.lang.Runtime.traceMethodCalls(boolean)

@Deprecated(since="1.2", forRemoval=true) void java.lang.System.runFinalizersOnExit(boolean)

@Deprecated(since="1.2", forRemoval=true) void java.lang.Thread.stop(java.lang.Throwable)
@Deprecated(since="1.5", forRemoval=true) void java.lang.Thread.destroy()
@Deprecated(since="1.2", forRemoval=true) int java.lang.Thread.countStackFrames()